DOI: https://doi.org/10.18597/rcog.1879
DOI: https://doi.org/10.18597/rcog.1884
DOI: https://doi.org/10.18597/rcog.1886
DOI: https://doi.org/10.18597/rcog.1888
DOI: https://doi.org/10.18597/rcog.1889
DOI: https://doi.org/10.18597/rcog.1890
DOI: https://doi.org/10.18597/rcog.1892
DOI: https://doi.org/10.18597/rcog.1893
DOI: https://doi.org/10.18597/rcog.1894